I have updated the Nightingale Road Lyrics page to include The Legend of Mother Ludlam. This is an actual legend which may have some basis in fact as her cave and her cauldron still exist to this day. The cauldron can be found in Frensham Church.
You can buy The Furricious Gang from Waterstones by ordering it in the shop or by using this link: https://www.waterstones.com/books/search/term/mma+associates
Just to let you know, the Godalming Library has been given some copies of The Furricious Gang stories. So, if you want to read them for free and you're a member, you should be able to get the there.
Apparently, the British Library would like copies if The Furricious Gang. I had run out of these, so I've had to do another print run. Looks like I will have a stock of these now and will have to look